Incident · 1988-09-21

NTSB case FTW88IA165 · BOEING 727-200 · Part 121

What the record says

Event date: 1988-09-21
Event type: Incident
Highest injury level: Minor injury
Aircraft: BOEING 727-200 (N710AA)
Operating rule: Part 121
Operator: AMERICAN AIRLINES, INC. Operator named in NTSB report
Operated by (per NTSB report): AMERICAN AIRLINES, INC.

Probable cause

FATIGUE FAILURE OF THE LEFT MAIN LANDING GEAR DOOR ACTUATOR PIVOT TRUNNION SHAFT WHICH SUBSEQUENTLY BECAME LODGED IN THE ACTUATOR CLEVIS PREVENTING THE DOOR UNLOCK MECHANISM FROM ACTUATING DURING GEAR EXTENSION.

Source: NTSB case FTW88IA165

Flight crew

Flight-crew details for this event aren't in the NTSB database extract we hold (its coverage starts with 2008 events) — a gap in our data, not an absence of crew.

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

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